﻿//
// Created by francklinson on 2021/3/16.
//

#include <iostream>
const int ArSize = 8;

// prototype
// 计算数组的和
int sum_arr(const int *arr, int n);
int main()
{
    using namespace std;
    int cookies[ArSize] = {1,2,4,8,16,32,64,128};
// some systems require preceding int with static to
// enable array initialization

    int sum = sum_arr(cookies, ArSize);
    cout << "Total cookies eaten: " << sum << "\n";
    return 0;
}

// return the sum of an integer array
int sum_arr(const int *arr, int n)
{
    int total = 0;

    for (int i = 0; i < n; i++)
        total = total + arr[i];
    return total;
}